11550311045 has 16 divisors (see below), whose sum is σ = 17058921600. Its totient is φ = 7310965824.

The previous prime is 11550311039. The next prime is 11550311083. The reversal of 11550311045 is 54011305511.

It is a cyclic number.

It is not a de Polignac number, because 11550311045 - 2⁴ = 11550311029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12692195 + ... + 12693104.

It is an arithmetic number, because the mean of its divisors is an integer number (1066182600).

Almost surely, 2^11550311045 is an apocalyptic number.

It is an amenable number.

11550311045 is a deficient number, since it is larger than the sum of its proper divisors (5508610555).

11550311045 is a wasteful number, since it uses less digits than its factorization.

11550311045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25385324.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 11550311045 its reverse (54011305511), we get a palindrome (65561616556).

The spelling of 11550311045 in words is "eleven billion, five hundred fifty million, three hundred eleven thousand, forty-five".